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Transportation medicine

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https://www.readbyqxmd.com/read/28433715/aloe-vera-enhances-the-innate-immune-response-of-pacu-piaractus-mesopotamicus-after-transport-stress-and-combined-heat-killed-aeromonas-hydrophila-infection
#1
Fábio S Zanuzzo, Rafael E Sabioni, Luz Natalia F Montoya, Gisele Favero, Elisabeth C Urbinati
In this study, pacu (Piaractus mesopotamicus) were fed with diets containing Aloe vera for 10 days prior to transport stress and infection with heat killed Aeromonas hydrophila. A. vera is popular around the world due to its medicinal properties, including immunostimulatory effects which was observed in this study. The results show that transport causes immunosuppression, an effect that was prevented by A. vera. Specifically, A. vera prevented reductions of both leukocyte respiratory burst and hemolytic activity of complement system caused by transport...
April 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28432031/membrane-lipid-replacement-for-chronic-illnesses-aging-and-cancer-using-oral-glycerolphospholipid-formulations-with-fructooligosaccharides-to-restore-phospholipid-function-in-cellular-membranes-organelles-cells-and-tissues
#2
REVIEW
Garth L Nicolson, Michael E Ash
Membrane Lipid Replacement is the use of functional, oral supplements containing mixtures of cell membrane glycerolphospholipids, plus fructooligosaccharides (for protection against oxidative, bile acid and enzymatic damage) and antioxidants, in order to safely replace damaged, oxidized, membrane phospholipids and restore membrane, organelle, cellular and organ function. Defects in cellular and intracellular membranes are characteristic of all chronic medical conditions, including cancer, and normal processes, such as aging...
April 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28426025/modular-low-light-microscope-for-imaging-cellular-bioluminescence-and-radioluminescence
#3
Tae Jin Kim, Silvan Türkcan, Guillem Pratx
Low-light microscopy methods are receiving increased attention as new applications have emerged. One such application is to allow longitudinal imaging of light-sensitive cells with no phototoxicity and no photobleaching of fluorescent biomarkers. Another application is for imaging signals that are inherently dim and undetectable using standard microscopy techniques, such as bioluminescence, chemiluminescence or radioluminescence. In this protocol, we provide instructions on how to build a modular low-light microscope (1-4 d) by coupling two microscope objective lenses, back to back from each other, using standard optomechanical components...
May 2017: Nature Protocols
https://www.readbyqxmd.com/read/28421029/a-historical-view-of-motion-sickness-a-plague-at-sea-and-on-land-also-with-military-impact
#4
Doreen Huppert, Judy Benson, Thomas Brandt
Seasickness and its triggers, symptoms, and preventive measures were well known in antiquity. This chapter is based on an analysis of descriptions of motion sickness, in particular seasickness, in ancient Greek, Roman, and Chinese literature. A systematic search was made from the Greek period beginning with Homer in 800 BC to the late Roman period and ending with Aetios Amidenos in 600 AD, as well as in the Chinese medical classics dating from around 300 AD. Major aspects are the following: body movements caused by waves were identified in all cultures as the critical stimuli...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28413962/neurochemical-markers-in-the-mammalian-brain-structure-roles-in-synaptic-communication-and-pharmacological-relevance
#5
Christopher L Rees, Charise M White, Giorgio A Ascoli
BACKGROUND: Knowledge of molecular marker (typically protein or mRNA) expression in neural systems can provide insight to the chemical blueprint of signal processing and transmission, assist in tracking developmental or pathological progressions, and yield key information regarding potential medicinal targets. These markers are particularly relevant in the mammalian brain in light of its unsurpassed cellular diversity. Accordingly, molecular expression profiling is rapidly becoming a major approach to classify neuron types...
April 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28410597/the-role-of-nuclear-localization-signal-in-parvovirus-life-cycle
#6
REVIEW
Peng Liu, Shun Chen, Mingshu Wang, Anchun Cheng
Parvoviruses are small, non-enveloped viruses with an approximately 5.0 kb, single-stranded DNA genome. Usually, the parvovirus capsid gene contains one or more nuclear localization signals (NLSs), which are required for guiding the virus particle into the nucleus through the nuclear pore. However, several classical NLSs (cNLSs) and non-classical NLSs (ncNLSs) have been identified in non-structural genes, and the ncNLSs can also target non-structural proteins into the nucleus. In this review, we have summarized recent research findings on parvovirus NLSs...
April 14, 2017: Virology Journal
https://www.readbyqxmd.com/read/28401081/zinc-in-pancreatic-islet-biology-insulin-sensitivity-and-diabetes
#7
REVIEW
Wolfgang Maret
About 20 chemical elements are nutritionally essential for humans with defined molecular functions. Several essential and nonessential biometals are either functional nutrients with antidiabetic actions or can be diabetogenic. A key question remains whether changes in the metabolism of biometals and biominerals are a consequence of diabetes or are involved in its etiology. Exploration of the roles of zinc (Zn) in this regard is most revealing because 80 years of scientific discoveries link zinc and diabetes...
March 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/28398905/an-integrated-model-of-scintillator-reflector-properties-for-advanced-simulations-of-optical-transport
#8
Emilie Roncali, Mariele Stockhoff, Simon Cherry
Accurately modeling the light transport in scintillation detectors is essential to design new detectors for nuclear medicine or high energy physics. Optical models implemented in software such as Geant4 and GATE suffer from important limitations that we addressed by implementing a new approach in which the crystal reflectance was computed from 3D surface measurements. The reflectance was saved in a look-up-table (LUT) then used in Monte Carlo simulation to determine the fate of optical photons. Our previous work using this approach demonstrated excellent agreement with experimental characterization of crystal light output in a limited configuration, i...
April 11, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28398072/the-reactive-species-interactome-evolutionary-emergence-biological-significance-and-opportunities-for-redox-metabolomics-and-personalized-medicine
#9
Miriam Margherita Cortese-Krott, Anne Koning, Gunter Georg Kuhnle, Peter Nagy, Christopher Bianco, Andreas Pasch, David A Wink, Jon Fukuto, Alan A Jackson, Harry van Goor, Kenneth R Olson, Martin Feelisch
SIGNIFICANCE: Oxidative stress is thought to account for aberrant redox homeostasis and contribute to aging and disease. However, more often than not administration of antioxidants is ineffective, suggesting our current understanding of the underlying regulatory processes is incomplete. Recent Advances. Similar to reactive oxygen and nitrogen species (ROS, RNS), reactive sulfur species (RSS) are now emerging as important signaling molecules, targeting regulatory cysteine redox switches in proteins, affecting gene regulation, ion transport, intermediary metabolism and mitochondrial function...
April 11, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28390761/the-aav-mediated-and-rna-guided-crispr-cas9-system-for-gene-therapy-of-dmd-and-bmd
#10
REVIEW
Jing-Zhang Wang, Peng Wu, Zhi-Min Shi, Yan-Li Xu, Zhi-Jun Liu
Mutations in the dystrophin gene (Dmd) result in Duchenne muscular dystrophy (DMD) and Becker muscular dystrophy (BMD), which afflict many newborn boys. In 2016, Brain and Development published several interesting articles on DMD treatment with antisense oligonucleotide, kinase inhibitor, and prednisolone. Even more strikingly, three articles in the issue 6271 of Science in 2016 provide new insights into gene therapy of DMD and BMD via the clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9)...
April 5, 2017: Brain & Development
https://www.readbyqxmd.com/read/28385543/rosuvastatin-pharmacokinetics-in-asian-and-white-subjects-wild-type-for-both-oatp1b1-and-bcrp-under-control-and-inhibited-conditions
#11
Hsin-Fang Wu, Nadya Hristeva, Jae Chang, Xiaorong Liang, Ruina Li, Lynda Frassetto, Leslie Z Benet
The FDA recommends rosuvastatin dosage reductions in Asian patients because pharmacokinetic studies have demonstrated an approximate two-fold increase in median exposure to rosuvastatin in Asian subjects when compared to Caucasian controls. Yet, no explanation for this ethnic difference has been confirmed. Here we show that rosuvastatin exposure in Asians and Whites does not differ significantly when all subjects are wildtype carriers for both Solute Carrier Organic anion transporter1B1 *1a and ATP Binding Cassette Subfamily G Member 2 c...
April 3, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28381805/investigation-of-biodistribution-and-speciation-changes-of-orally-administered-dual-radiolabeled-complex-bis-5-chloro-7-131-i-iodo-8-quinolinolato-65-zn-zinc
#12
Masayuki Munekane, Masashi Ueda, Shinji Motomura, Shinichiro Kamino, Hiromitsu Haba, Yutaka Yoshikawa, Hiroyuki Yasui, Shuichi Enomoto
Many zinc (Zn) complexes have been developed as promising oral antidiabetic agents. In vitro assays using adipocytes have demonstrated that the coordination structures of Zn complexes affect the uptake of Zn into cells and have insulinomimetic activities, for which moderate stability of Zn complexes is vital. The complexation of Zn plays a major role improving its bioavailability. However, investigation of the speciation changes of Zn complexes after oral administration is lacking. A dual radiolabeling approach was applied in order to investigate the speciation of bis(5-chloro-7-iodo-8-quinolinolato)zinc complex [Zn(Cq)2], which exhibits the antidiabetic activity in diabetic mice...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28379234/anion-transport-and-supramolecular-medicinal-chemistry
#13
REVIEW
Philip A Gale, Jeffery T Davis, Roberto Quesada
New approaches to the transmembrane transport of anions are discussed in this review. Advances in the design of small molecule anion carriers are reviewed in addition to advances in the design of synthetic anion channels. The application of anion transporters to the potential future treatment of disease is discussed in the context of recent findings on the selectivity of anion transporters.
April 5, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28372566/the-cross-cutting-contribution-of-the-end-of-neglected-tropical-diseases-to-the-sustainable-development-goals
#14
REVIEW
Mathieu Bangert, David H Molyneux, Steve W Lindsay, Christopher Fitzpatrick, Dirk Engels
The Sustainable Development Goals (SDGs) call for an integrated response, the kind that has defined Neglected Tropical Diseases (NTDs) efforts in the past decade.NTD interventions have the greatest relevance for SDG3, the health goal, where the focus on equity, and its commitment to reaching people in need of health services, wherever they may live and whatever their circumstances, is fundamentally aligned with the target of Universal Health Coverage. NTD interventions, however, also affect and are affected by many of the other development areas covered under the 2030 Agenda...
April 4, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28369799/effect-of-dental-pulp-stem-cells-in-mptp-induced-old-aged-mice-model
#15
Nareshwaran Gnanasegaran, Vijayendran Govindasamy, Christopher Simon, Quan Fu Gan, Vui King Vincent-Chong, Vasudevan Mani, Kesavanarayanan Krishnan Selvarajan, Vellayan Subramaniam, Sabri Musa, Noor Hayaty Abu Kasim
Parkinson's disease (PD) is a neurodegenerative disease caused by the loss of dopaminergic (DA-ergic) neurons in the substantia nigra (SN) and represent as a huge threat to the geriatric population. Cell-replacement therapies (CRTs) have been proposed as a promising strategy to slow down or replace neuronal loss. Among the widely available cell sources, dental pulp stem cells (DPSCs) portray as an attractive source primarily due to their neural crest origin, ease of tissue procurement and less ethical hurdles MATERIALS AND METHODS: We first demonstrated the in vitro differentiation ability of DPSCs towards DA-ergic-like cells before evaluating their neuro-protection/neuro-restoration capacities in MPTP-induced mice...
March 30, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28368215/effects-of-lipid-formulations-on-clove-extract-spray-dried-powders-comparison-of-physicochemical-properties-storage-stability-and-in-vitro-intestinal-permeation
#16
Diego F Cortes-Rojas, Claudia R F Souza, Mong-Jen Chen, Guenther Hochhaus, Wanderley P Oliveira
Clove is an aromatic plant spice with potent antioxidant and anti-inflammatory activity. Eugenol is the main compound which contributes to such medicinal and nutritional benefits. To date, the formulation of unstable, volatile, and poorly water soluble compounds remains a challenging task. Lipid formulations can be used to improve physicochemical and biopharmaceutical properties of poorly soluble compounds. The aim of the present study is to investigate the effects of lipids such as Gelucire and Compritol on physicochemical properties, stability and in vitro intestinal permeation of spray dried powdered formulations loaded with clove's bioactive compounds...
April 3, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28368001/genetic-and-proteomic-characterization-of-bile-salt-export-pump-bsep-in-snake-liver
#17
Xinle Tan, Fei Gao, Hexiu Su, Yajun Gong, Jie Zhang, Mitchell A Sullivan, Jiachun Chen
Snake gallbladder, a traditional Chinese medicine, has been believed in various Asian countries to improve visual acuity and alleviate rheumatism. Bile acids, a major component of the gallbladder, are toxic to the liver and kidney in humans and animals due to its detergent effects, while also exhibiting therapeutic effects due to an increase in the gallbladder contractions of muscle strips in patients with cholesterol gallstones. Secretion of bile acids in human and mammals depends on the bile salt export pump (BSEP), a liver-specific adenosine triphosphate (ATP)-binding cassette transporter encoded by ABCB11...
April 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28365054/lipid-metabolism-and-emerging-targets-for-lipid-lowering-therapy
#18
REVIEW
Daniel Gaudet, Jean-Philippe Drouin-Chartier, Patrick Couture
Cardiovascular disease (CVD) is one of the leading causes of morbidity and mortality worldwide, and dyslipidemia constitutes a major risk factor for CVD and premature atherosclerosis. Therapies to reduce the plasma levels of atherogenic lipoproteins are well established interventions that decrease CVD risk. However, treatment of dyslipidemia with the most widely used lipid-lowering drugs (ie, statins and ezetimibe) often fails to protect a significant proportion of patients from cardiovascular risk. The development of several novel therapies to treat lipid-related disorders and their associated risks is ongoing and includes the following: (1) reducing plasma levels of atherogenic lipoproteins using proprotein convertase subtilisin/kexin type 9 inhibitors, antisense inhibitors of Apolipoprotein (Apo)(a), microsomal triglyceride transfer protein inhibitors, antisense oligonucleotides of ApoB for inhibiting very low-density lipoprotein production, and inhibitors of angiopoietin-like protein 3 or ApoC-III for triglyceride-rich lipoprotein management upstream of low-density lipoprotein production as well as gene replacement therapy to improve low-density lipoprotein and triglyceride-rich lipoprotein clearance; and (2) emerging therapies that target high-density lipoprotein (HDL) and reverse cholesterol transport using cholesteryl ester transfer protein inhibitors, HDL peptide mimetics, and autologous infusion of pre-β HDLs...
January 16, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28364930/improving-isc-performance-through-outsourcing-considerations-for-using-third-party-service-providers-to-increase-innovation-capacity-and-efficiency
#19
Martin Wright, Gary Forster, John Beale
Development partners and donors have encouraged and incentivized governments in developing countries to explore ways of working with third-party service suppliers to reduce costs and increase service delivery capacity. The distribution of vaccines and medicines has for a long time shown demand for outsourcing but public health systems have struggled to develop the expertise and capital assets necessary to manage such ventures. Existing transport and logistics capacity within public health systems, in particular, is well documented as being insufficient to support existing, let alone future immunization needs...
April 19, 2017: Vaccine
https://www.readbyqxmd.com/read/28364560/towards-more-accurate-hiv-testing-in-sub-saharan-africa-a-multi-site-evaluation-of-hiv-rdts-and-risk-factors-for-false-positives
#20
Cara S Kosack, Anne-Laure Page, Greet Beelaert, Tumwesigye Benson, Aboubacar Savane, Anne Ng'ang'a, Bita Andre, Jean-Paul Bn Zahinda, Leslie Shanks, Katrien Fransen
INTRODUCTION: Although individual HIV rapid diagnostic tests (RDTs) show good performance in evaluations conducted by WHO, reports from several African countries highlight potentially significant performance issues. Despite widespread use of RDTs for HIV diagnosis in resource-constrained settings, there has been no systematic, head-to-head evaluation of their accuracy with specimens from diverse settings across sub-Saharan Africa. We conducted a standardized, centralized evaluation of eight HIV RDTs and two simple confirmatory assays at a WHO collaborating centre for evaluation of HIV diagnostics using specimens from six sites in five sub-Saharan African countries...
March 22, 2017: Journal of the International AIDS Society
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